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參數資料
| 型號： | UPD17226GT |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機的小型通用紅外遙控器 |
| 文件頁數： | 8/84頁 |
| 文件大?。?/td> | 393K |
| 代理商： | UPD17226GT |
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μ
PD17225, 17226, 17227, 17228
8
Data Sheet U12643EJ2V0DS00
1.
PIN FUNCTIONS
1.1
Pin Function List
Pin No.
Symbol
Function
Output Form
On Reset
15 (16)
16 (17)
17 (18)
18 (19)
P0A
0
P0A
1
P0A
2
P0A
3
19 (20)
20 (21)
21 (22)
22 (23)
P0B
0
P0B
1
P0B
2
P0B
3
23 (24)
24 (25)
25 (26)
26 (27)
P0C
0
P0C
1
P0C
2
P0C
3
27 (28)
28 (29)
1 (1)
2 (2)
P0D
0
P0D
1
P0D
2
P0D
3
4 (4)
5 (5)
6 (6)
7 (7)
P0E
0
P0E
1
P0E
2
P0E
3
8 (8)
REM
13 (13)
RESET
9 (9)
V
DD
Power supply
12 (12)
GND
Ground
3 (3)
INT
External interrupt request signal input
14 (14)
WDOUT
11 (11)
10 (10)
X
IN
X
OUT
Connects ceramic resonator for system clock oscillation
(15)
(30)
IC1
IC2
These pins cannot be used.
Leave open.
Remark
The number in parenthesis in the Pin No. column indicates the pin numbers of the 30-pin plastic SSOP.
4-bit CMOS input port with pull-up resistor.
Can be used for key return input of key matrix. When at least
one of these pins goes low, standby function is released.
4-bit input/output port.
Can be set in inputset in input or output mode in 1-bit units.
In output mode, this port functions as a high current CMOS output
port. In input mode, function as CMOS input and can be specified
to connect pull-up resistor by program.
4-bit N-ch open-drain output port.
Can be used for key source output of key matrix.
4-bit CMOS input port with pull-up resistor.
Can be used for key return input of key matrix. When at least
one of these pins goes low, standby function is released.
4-bit N-ch open-drain output port.
Can be used for key source output of key matrix.
–
Input
–
Input
System reset input. CPU can be reset when low-level signal is
input to this pin. While low-level signal is input, oscillator is
stopped. Can be connected to pull-up resistor by mask option.
Output detecting hang-up and drop in supply voltage. This pin
outputs at low level either when an overflow occurs in the watch-
dog timer, when an overflow/underflow occurs in the stack, or
when the supply voltage drops below a specified level (mask
option). Connect this pin to the RESET pin.
–
Input
–
–
–
–
–
Input
Outputs transfer signal for infrared remote controller.
Active-high output.
N-ch
Low-level
output
open-drain
N-ch
Low-level
output
open-drain
CMOS
push-pull
Low-level
output
–
(Oscillation
stops)
CMOS
push-pull
Input
High-
impedance
Low-level
output at low
voltage
detection
N-ch
open-drain
–
–
相關PDF資料 |
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|---|---|
| UPD17226MC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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| UPD17227CT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17227MC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UPD17226GT-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|4-BIT|UPD17K CPU|CMOS|SOP|28PIN|PLASTIC |
| UPD17226MC | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17226MC-XXX-5A4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| UPD17227 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17227CT | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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